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All Journal JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Jurnal Entomologi Indonesia
Trisnawati, Dina Wahyu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Diversity and community structure of predators in surjan (polyculture) and lembaran (monoculture) paddy fields Trisnawati, Dina Wahyu; Nurkomar, Ihsan; Antono, Andri; Puspitasari, Era
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 24 No. 2 (2024): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA: JOURNAL OF TROPICAL PLAN
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.224162-172

Abstract

Predator diversity decreases because of low ecosystem quality in modern agriculture that applies monoculture systems. However, polyculture systems in paddy fields can improve biodiversity, including pests, natural enemies, and microorganisms. Surjan is a local polyculture farming practice that originated in Yogyakarta. This farming practice consists of raised beds for cultivating palawija or horticultural crops and sunken beds for rice cultivation. Surjan farming may have an impact on predatory diversity and abundance, although this has not been studied. To address this issue, research was carried out to investigate the diversity, abundance, and structure of the community of predators in the paddy fields of surjan (polyculture) and lembaran (monoculture). The field experiment was conducted in three pairs, surjan and lembaran, in Panjatan District, Kulon Progo Regency, Yogyakarta Special Region, Indonesia. In each field, five random plots arranged in a cross pattern were used to collect a sample of predators. Several traps, including sweeping, pitfall traps, yellow adhesive traps, and yellow pan traps, were used to determine the abundance and diversity of predators. Results showed that species diversity, abundance, species composition, and biodiversity index in surjan farming were significantly improved compared to lembaran farming. Ceratopogonidae and Formicidae were the most abundant families in both surjan and lembaran farming, although they are more abundant in surjan. It can be concluded from the study that surjan farming could improve ecosystem quality by implementing predators for pest management.
Pemantauan populasi ulat grayak jagung Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) pada pertanaman jagung dan padi menggunakan berbagai jenis perangkap: Monitoring population of fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) Smith (Lepidoptera: Noctuidae) in maize and rice fields using different types of trap Nurkomar, Ihsan; Luqmana Indra Putra, Ichsan; Trisnawati, Dina Wahyu; Lutfiyyatul Zahra, Fadhila; Fauzan Dharmawan, Achmad
Jurnal Entomologi Indonesia Vol 23 No 1 (2026): March
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.23.1.1

Abstract

Spodoptera frugiperda Smith is a major invasive pest of maize and has also been reported attacking other host plants, including rice. As a migratory pest with high reproductive capacity, the population dynamics of S. frugiperda are influenced by cropping systems and host plant availability. Accurate population monitoring is a key component of integrated pest management (IPM). However, the performance of different trap types under varying agroecosystems has not been fully understood. This study aimed to evaluate the performance of different trap types (pheromone, light, and pheromone–light combination traps) in detecting S. frugiperda populations in maize and rice fields under different agroecosystem conditions. The study was conducted at four locations representing distinct agroecosystem conditions. Each location consisted of three field plots as independent replications. The number of adults captured per trap per week was used as an indicator of trap performance. The results showed that S. frugiperda populations were significantly higher in maize fields than in rice fields (p < 0.0001). A significant interaction was found between trap type and agroecosystem condition (p < 0.001). Pheromone traps recorded the highest captures under high population conditions, whereas light and combination traps performed relatively similarly under low population conditions. Light traps captured more non-target insects than pheromone traps. These findings indicate that the performance of S. frugiperda traps is context-dependent and should be adapted to the cropping system to support IPM-based monitoring strategies.
Co-Authors Antono, Andri Fauzan Dharmawan, Achmad Ichsan Luqmana Indra Putra, Ichsan Luqmana Indra Lutfiyyatul Zahra, Fadhila Nurkomar, Ihsan Puspitasari, Era